7 letter words:
repugns10,
upsurge10,
6 letter words:
grumps11,
rumpus10,
grumes9,
purges9,
regnum9,
repugn9,
sprung9,
spurge9,
unpegs9,
prunes8,
prunus8,
pursue8,
rumens8,
unpure8,
ungues7,
unsure6,
5 letter words:
grump10,
perms9,
rumps9,
sperm9,
spume9,
germs8,
geums8,
grume8,
pungs8,
purge8,
sprug8,
unpeg8,
menus7,
mures7,
muser7,
neums7,
prune7,
purse7,
rumen7,
serum7,
sprue7,
spurn7,
sunup7,
super7,
usurp7,
genus6,
grues6,
gurus6,
negus6,
rungs6,
surge6,
urges6,
nurse5,
runes5,
4 letter words:
perm8,
rump8,
sump8,
umps8,
gems7,
germ7,
geum7,
grum7,
gums7,
megs7,
mugs7,
pegs7,
pugs7,
pung7,
smug7,
emus6,
menu6,
muns6,
mure6,
muse6,
neum6,
pens6,
puns6,
pure6,
purs6,
rems6,
reps6,
rums6,
spue6,
spun6,
spur6,
supe6,
urps6,
engs5,
ergs5,
gens5,
genu5,
gnus5,
grue5,
guns5,
guru5,
negs5,
regs5,
rugs5,
rung5,
snug5,
sung5,
urge5,
erns4,
rues4,
rune4,
runs4,
ruse4,
suer4,
sure4,
urns4,
urus4,
user4,
3 letter words:
ump7,
gem6,
gum6,
meg6,
mug6,
peg6,
pug6,
ems5,
emu5,
men5,
mun5,
mus5,
pen5,
per5,
pes5,
pun5,
pur5,
pus5,
rem5,
rep5,
rum5,
sum5,
sup5,
ups5,
urp5,
eng4,
erg4,
gen4,
gnu4,
gun4,
neg4,
reg4,
rug4,
seg4,
ens3,
ern3,
ers3,
nus3,
res3,
rue3,
run3,
sen3,
ser3,
sue3,
sun3,
uns3,
urn3,
use3,
2 letter words:
em4,
me4,
mu4,
pe4,
um4,
up4,
en2,
er2,
es2,
ne2,
nu2,
re2,
un2,
us2,